BTN Big 10K
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Register now for the fourth-annual BTN Big 10K, the summer 10K (and 5K) that "turns the Chicago lakefront into a Big Ten Tailgate Party," according to an announcement. Proceeds benefit Special Olympics Chicago. Fleet Feet Sports-Chicago offers a $20 voucher toward any purchase at one of their area retail locations to the first 1,500 adult runners. For more information or to register, visit